- fprintf (fd_out, "(");
- ccl_pr_tree (rpn->u.p[0], fd_out);
- fprintf (fd_out, ") and (");
- ccl_pr_tree (rpn->u.p[1], fd_out);
- fprintf (fd_out, ")");
+ fprintf (fd_out, "@and \n");
+ ccl_pr_tree_as_qrpn (rpn->u.p[0], fd_out,indent+2);
+ ccl_pr_tree_as_qrpn (rpn->u.p[1], fd_out,indent+2);